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Related Experiment Video

Updated: May 24, 2026

Laparoscopic Anatomical Resection of the Right Anterior Lobe Based on the Laennec Capsule Technique

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Published on: May 2, 2025

Primary solid papillary tumor of the liver.

Elena Thai¹, Raffaele Dalla Valle, Enrico Maria Silini

¹Surgical Pathology Unit, Department of Pathology and Laboratory Medicine, University Hospital, Parma, Italy. elenathai@yahoo.com

Pathology, Research and Practice

|March 10, 2012

Summary

Solid papillary tumors (SPT) are rare pancreatic lesions. This report details a primitive SPT of the liver, a rare extra-pancreatic occurrence, highlighting similarities to pancreatic origins.

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Area of Science:

Gastroenterology
Surgical Pathology
Oncology

Background:

Solid papillary tumor (SPT) is an uncommon pancreatic neoplasm.
The origin and behavior of SPT are not well understood.
Extra-pancreatic SPTs are exceptionally rare, with limited documented cases.

Observation:

This study presents a case of a primitive Solid Papillary Tumor originating in the liver.
This represents the second documented instance of a primary hepatic SPT in medical literature.

Findings:

The clinical, histological, immunophenotypic, and ultrastructural characteristics of this liver SPT align with those observed in pancreatic SPTs.
This suggests a potential shared origin or similar biological behavior between pancreatic and hepatic SPTs.

Implications:

This case expands the known spectrum of SPT presentation.
Further research is warranted to elucidate the pathogenesis and behavior of extra-pancreatic SPTs.
Understanding these rare tumors can aid in accurate diagnosis and patient management.